990194944

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{63409}}^1$

素因数の和:63486

約数の個数: 36

約数和(自身を含む): 2008955620

約数和(自身を除く): 1018760676

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 7808, 15616, 63409, 126818, 253636, 507272, 1014544, 2029088, 3867949, 4058176, 7735898, 8116352, 15471796, 16232704, 30943592, 61887184, 123774368, 247548736, 495097472, 990194944]

約数ペア:

[(1, 990194944), (2, 495097472), (4, 247548736), (8, 123774368), (16, 61887184), (32, 30943592), (61, 16232704), (64, 15471796), (122, 8116352), (128, 7735898), (244, 4058176), (256, 3867949), (488, 2029088), (976, 1014544), (1952, 507272), (3904, 253636), (7808, 126818), (15616, 63409)]